Robert Morrison

Follow @robert on

This week I’ve been getting to grips with SAM’s VMPR (Video Memory Page Register) and using it for double-buffering the screen. Into that framework I dropped the sprite drawing routines I used on Spectrum, and graphics I made a while ago for a web-based game. #GameDev #SAMCoupé

Those low-colour pixel-art PNGs converted quite nicely to SAM’s 16-colour 4bpp screen mode. I haven’t got round to making a unified/optimised palette yet (the squirrel character isn’t supposed to be blue!)

photograph of a television displaying the same screen as the other attached screenshotSAM Coupé screenshot. town scene with blue squirrel character. the area behind the character is mirrored in a small square top left to help with debugging